AFAIK, there is a $3k wager requirement during last 7 days in order to eligible for the rain. Beside that you need to stay active (send messages) in chat. But the rainbot choose random players. So, the possibility of getting rain is really low unless you are lucky enough.

  You are on fire man🔥. This is the first time I'm watching a regular forum member to share his big profit stats like that. You have made $10k profit today, and $26k in this month. I believe you know that how to manage your fund. But I'm advising you to take a break now for few days or weeks. Because in gambling, “it goes in the same way as the way it comes”.